Dopamine is converted to norepinephrine by dopamine β -hydroxylase

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#Id: 5757

#Unit 10. Ecological Principles

Gleason’s individualistic model- Competition does not cause sharp boundaries; different species do not group together due to physical variables.

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#Id: 6610

#Unit 7. System Physiology – Animal

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#Id: 8244

#Unit 10. Ecological Principles

Average finite rate of increase.

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#Id: 6306

#Unit 3. Fundamental Processes

Accordingly, iNTP stabilizes the open promoter complex, stimulating transcription. On the other hand, when cells are starved for amino acids, protein synthesis cannot occur readily and the need for ribosomes (and rRNA) decreases. Ribosomes sense the lack of amino acids when uncharged tRNAs bind to the ribosomal site where aminoacyl-tRNAs would normally bind. 

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#Id: 7780

#Unit 2. Cellular Organization

A set of seven structural nucleoporins forms a Y-shaped structure about the size of the ribosome, known as the Y complex.